maldi mechanism
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2013 ◽  
Vol 117 (17) ◽  
pp. 5058-5064 ◽  
Author(s):  
Chi Wei Liang ◽  
Chih Hao Lee ◽  
Yu-Jiun Lin ◽  
Yuan Tseh Lee ◽  
Chi Kung Ni

2011 ◽  
Vol 23 (1) ◽  
pp. 162-170 ◽  
Author(s):  
Jeong Hee Moon ◽  
Young Sik Shin ◽  
Yong Jin Bae ◽  
Myung Soo Kim

2011 ◽  
Vol 89 (4) ◽  
pp. 446-460 ◽  
Author(s):  
E. Lourantos ◽  
O. M. Ramirez ◽  
A. E. Giannakopulos ◽  
K. A. Beran ◽  
Peter J. Derrick ◽  
...  

The relationships between ion yield(s) as a function of desorption alone and (or) ionization was investigated using two model systems. In the first model system, a carbohydrate (2,3,6-tri-O-methyl-β-cyclodextrin, TMBCD), which could be directly laser desorbed, was analyzed with and without a silicon-based heat sink compound (HSC). The HSC allowed heat to pass through but obstructed the flow of charge. In the second model system, a peptide (substance P), which ccould not be laser desorbed, was analyzed under similar conditions. The ion yield of TMBCD under either system of heat conductivity was similar, whereas the ion yield of the peptide with the heat sink was negligible. Compounds that are predominately cationized either in the gas phase or preformed in solution give an ion yield that is not dependent upon the surface conditions, whereas compounds that are not ordinarily cationized are affected by the emission of electrons from the metal surface.


2007 ◽  
Vol 582 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Wei Chao Chang ◽  
Ling Chu Lora Huang ◽  
Yi-Sheng Wang ◽  
Wen-Ping Peng ◽  
Huan Cheng Chang ◽  
...  

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